Question

14 g ) A cylindrical tube has an outer diameter of 2,5 cm and an inner diameter of 1.5 cm. Its length is 7 cm. If it has to be anti-rust coated on the outer side, the inner side and the rims on both sides, what is the total surface area to be covered for this purpose? Calculate the cost if the rate is 0.50 per cm?​

Answer 1

Answer:

Find CSA

Step-by-step explanation:

curved surface area

2πrh

use this formula